Differences also exist in the growth forms: the trees were significantly shorter with more stems and branches, reflecting morphological adaptation of trees to the severe conditions at timberline.
生长型的转变是高山林线乔木对恶劣自然条件的形态适应。
参考来源 - 青藏高原东缘高山林线乔木种群生态特征研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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